/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2012 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : include/ICLQt/ColorHandle.h                            **
** Module : ICLQt                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** Commercial License                                              **
** ICL can be used commercially, please refer to our website       **
** www.iclcv.org for more details.                                 **
**                                                                 **
** GNU General Public License Usage                                **
** Alternatively, this file may be used under the terms of the     **
** GNU General Public License version 3.0 as published by the      **
** Free Software Foundation and appearing in the file LICENSE.GPL  **
** included in the packaging of this file.  Please review the      **
** following information to ensure the GNU General Public License  **
** version 3.0 requirements will be met:                           **
** http://www.gnu.org/copyleft/gpl.html.                           **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
*********************************************************************/

#ifndef ICL_COLOR_HANDLE_H
#define ICL_COLOR_HANDLE_H

#include <ICLQt/GUIHandle.h>
#include <ICLQt/ColorLabel.h>

namespace icl{

  /// Class wrapping ColorLabel GUI compoenent handling \ingroup HANDLES
  class ColorHandle : public GUIHandle<ColorLabel>{
    public:
    
    /// Create an empty handle
    ColorHandle(){}
    
    /// Create a new LabelHandle
    ColorHandle(ColorLabel *l, GUIWidget *w):GUIHandle<ColorLabel>(l,w){}
    
    /// sets new rgb color
    inline void operator=(const Color &rgb){
      lab()->setColor(rgb);
    }

    /// sets new rgba color (alpha is only used if alpha is enabled for the gui component)
    void operator=(const Color4D &rgba){
      lab()->setColor(rgba);
    }
    
    /// returns current rgb color
    inline Color getRGB() const { return lab()->getRGB(); }

    /// convenienc function that is the same as getRGBA()
    inline Color4D getColor() const { return lab()->getRGBA(); }
    
    /// returns current rgba color
    inline Color4D getRGBA() const { return lab()->getRGBA(); }
    
    /// return whether wrapped ColorLabel supports alpha
    inline bool hasAlpha() const { return lab()->hasAlpha(); }
    
    private:
    /// utitlity function
    ColorLabel *lab() { return **this; }

    /// utitlity function
    const ColorLabel *lab() const { return **this; }
  };

 
  
 
}                               

#endif